CN111793793A - Phosphorization rust-proof treatment method for explosion-proof cabinet - Google Patents
Phosphorization rust-proof treatment method for explosion-proof cabinet Download PDFInfo
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- CN111793793A CN111793793A CN202010757448.3A CN202010757448A CN111793793A CN 111793793 A CN111793793 A CN 111793793A CN 202010757448 A CN202010757448 A CN 202010757448A CN 111793793 A CN111793793 A CN 111793793A
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- parts
- rust prevention
- explosion
- proof
- phosphating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
- C23C22/362—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing also zinc cations
Abstract
The invention discloses a phosphating rust-proof treatment method for an explosion-proof cabinet, which comprises the following steps: (1) adding water, basic copper carbonate, concentrated nitric acid, concentrated phosphoric acid, hexamethylenetetramine and sodium fluoride into an empty container, and uniformly stirring to obtain a first mixture; (2) adding water, zinc oxide and zinc nitrate into an empty container, and uniformly stirring to obtain a mixture II; (3) mixing the first mixture and the second mixture in an empty container to obtain a phosphating solution; (4) polishing the surface needing rust prevention, and then performing oil removal treatment; (5) mixing the phosphating solution and the talcum powder to obtain paste; (6) uniformly brushing the paste on the surface needing rust prevention, and then standing; (7) the paste is removed, then wiped, and then rust preventive oil is applied to the surface to be rust-prevented. The processing method can lead the surface of the explosion-proof cabinet which needs rust prevention to have rust prevention for a long time, thereby greatly improving the service life and the safety performance of the explosion-proof cabinet.
Description
Technical Field
The invention relates to a flameproof cabinet, in particular to a phosphating rust-proof treatment method for the flameproof cabinet.
Background
In order to prevent the explosion-proof cabinet from losing the explosion-proof and explosion-proof functions due to rusting of the explosion-proof joint surface on the cabinet body, the explosion-proof joint surface on the cabinet body of the existing explosion-proof cabinet needs to be subjected to rust prevention treatment, but the explosion-proof joint surface of the explosion-proof cabinet cannot be rusted for a long time by the existing surface phosphating rust prevention treatment method, so that the service life and the safety performance of the existing explosion-proof cabinet are not high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the phosphating rust-proof treatment method for the explosion-proof cabinet can lead the surface of the explosion-proof cabinet which needs rust-proof to be rust-proof for a long time.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the phosphating rust-proof treatment method of the explosion-proof cabinet is characterized by comprising the following steps: the method comprises the following steps:
(1) adding the following raw materials in parts by weight into an empty container: 180-220 parts of water, 0.9-1.1 parts of basic copper carbonate, 11.7-14.3 parts of concentrated nitric acid with the mass percentage concentration of 70%, 37.8-46.2 parts of concentrated phosphoric acid with the mass percentage concentration of 85%, 0.9-1.1 parts of hexamethylenetetramine and 2.25-2.75 parts of sodium fluoride, and then uniformly stirring to obtain a first mixture;
(2) adding the following raw materials in parts by weight into an empty container: 270-330 parts of water, 9-11 parts of zinc oxide and 13.5-16.5 parts of zinc nitrate, and then uniformly stirring to obtain a mixture II;
(3) mixing the first mixture and the second mixture in an empty container, and then uniformly stirring to obtain a phosphating solution;
(4) polishing the surface needing rust prevention on the explosion-proof cabinet, and then performing oil removal treatment on the surface needing rust prevention to ensure that no oil stain exists on the surface needing rust prevention;
(5) mixing the phosphating solution and the talcum powder, and then uniformly stirring to obtain paste;
(6) uniformly brushing the paste on the surface needing rust prevention, and standing for 0.8-1.2 h to enable the surface needing rust prevention to be phosphated by the paste;
(7) the paste on the surface needing rust prevention is removed, then the surface is wiped so as to remove the paste on the surface, and then the surface needing rust prevention is coated with rust prevention oil.
Further, the phosphating rust-proof treatment method for the explosion-proof cabinet comprises the following steps: and 4, polishing the surface needing rust prevention on the explosion-proof cabinet, so that the roughness of the surface needing rust prevention is less than 1.6.
Further, the phosphating rust-proof treatment method for the explosion-proof cabinet comprises the following steps: in the step 1, the following raw materials in parts by weight are added into an empty container: 200 parts of water, 1 part of basic copper carbonate, 13 parts of concentrated nitric acid with the mass percentage concentration of 70%, 42 parts of concentrated phosphoric acid with the mass percentage concentration of 85%, 1 part of hexamethylenetetramine and 2.5 parts of sodium fluoride.
Further, the phosphating rust-proof treatment method for the explosion-proof cabinet comprises the following steps: in the step 2, the following raw materials in parts by weight are added into an empty container: 300 parts of water, 10 parts of zinc oxide and 15 parts of zinc nitrate.
Further, the phosphating rust-proof treatment method for the explosion-proof cabinet comprises the following steps: the paste was removed with a plastic spatula.
Further, the phosphating rust-proof treatment method for the explosion-proof cabinet comprises the following steps: and 6, standing at normal temperature.
The invention has the advantages that: the phosphating rust-proof treatment method for the explosion-proof cabinet can lead the surface of the explosion-proof cabinet which needs rust-proof to be rust-proof for a long time, thereby greatly improving the service life and the safety performance of the explosion-proof cabinet.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The phosphorization rust prevention treatment method of the explosion-proof cabinet comprises the following steps:
(1) the following raw materials were added to an empty container: 4000g of water, 20g of basic copper carbonate, 255g of concentrated nitric acid with the mass percentage concentration of 70%, 845g of concentrated phosphoric acid with the mass percentage concentration of 85%, 20g of hexamethylenetetramine and 50g of sodium fluoride, and then uniformly stirring to obtain a first mixture;
(2) adding raw materials into an empty container: 6000g of water, 200g of zinc oxide and 300g of zinc nitrate, and then uniformly stirring to obtain a second mixture;
(3) mixing the first mixture and the second mixture in an empty container, and then uniformly stirring to obtain a phosphating solution;
(4) polishing the surface needing rust prevention on the explosion-proof cabinet to ensure that the roughness of the surface needing rust prevention is less than 1.6, and then performing oil removal treatment on the surface needing rust prevention to ensure that no oil stain exists on the surface needing rust prevention;
(5) mixing the phosphating solution and the talcum powder, and then uniformly stirring to obtain paste;
(6) uniformly brushing the paste on the surface needing rust prevention, and standing for 1h at normal temperature to ensure that the surface needing rust prevention can be phosphated by the paste;
(7) and (3) shoveling the paste on the surface needing rust prevention by using a plastic shovel, wherein the plastic shovel is not easy to scratch the phosphatized surface, wiping the surface so as to clean the paste on the surface, and then coating rust prevention oil on the surface needing rust prevention.
Claims (6)
1. The phosphating rust-proof treatment method of the explosion-proof cabinet is characterized by comprising the following steps: the method comprises the following steps:
(1) adding the following raw materials in parts by weight into an empty container: 180-220 parts of water, 0.9-1.1 parts of basic copper carbonate, 11.7-14.3 parts of concentrated nitric acid with the mass percentage concentration of 70%, 37.8-46.2 parts of concentrated phosphoric acid with the mass percentage concentration of 85%, 0.9-1.1 parts of hexamethylenetetramine and 2.25-2.75 parts of sodium fluoride, and then uniformly stirring to obtain a first mixture;
(2) adding the following raw materials in parts by weight into an empty container: 270-330 parts of water, 9-11 parts of zinc oxide and 13.5-16.5 parts of zinc nitrate, and then uniformly stirring to obtain a mixture II;
(3) mixing the first mixture and the second mixture in an empty container, and then uniformly stirring to obtain a phosphating solution;
(4) polishing the surface needing rust prevention on the explosion-proof cabinet, and then performing oil removal treatment on the surface needing rust prevention to ensure that no oil stain exists on the surface needing rust prevention;
(5) mixing the phosphating solution and the talcum powder, and then uniformly stirring to obtain paste;
(6) uniformly brushing the paste on the surface needing rust prevention, and standing for 0.8-1.2 h to enable the surface needing rust prevention to be phosphated by the paste;
(7) the paste on the surface needing rust prevention is removed, then the surface is wiped so as to remove the paste on the surface, and then the surface needing rust prevention is coated with rust prevention oil.
2. The phosphating rust-proof treatment method for the explosion-proof cabinet according to claim 1, which is characterized by comprising the following steps of: and 4, polishing the surface needing rust prevention on the explosion-proof cabinet, so that the roughness of the surface needing rust prevention is less than 1.6.
3. The phosphating rust prevention treatment method for the explosion-proof cabinet according to claim 1 or 2, which is characterized by comprising the following steps of: in the step 1, the following raw materials in parts by weight are added into an empty container: 200 parts of water, 1 part of basic copper carbonate, 13 parts of concentrated nitric acid with the mass percentage concentration of 70%, 42 parts of concentrated phosphoric acid with the mass percentage concentration of 85%, 1 part of hexamethylenetetramine and 2.5 parts of sodium fluoride.
4. The phosphating rust prevention treatment method for the explosion-proof cabinet according to claim 1 or 2, which is characterized by comprising the following steps of: in the step 2, the following raw materials in parts by weight are added into an empty container: 300 parts of water, 10 parts of zinc oxide and 15 parts of zinc nitrate.
5. The phosphating rust prevention treatment method for the explosion-proof cabinet according to claim 1 or 2, which is characterized by comprising the following steps of: the paste was removed with a plastic spatula.
6. The phosphating rust prevention treatment method for the explosion-proof cabinet according to claim 1 or 2, which is characterized by comprising the following steps of: and 6, standing at normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757448.3A CN111793793A (en) | 2020-07-31 | 2020-07-31 | Phosphorization rust-proof treatment method for explosion-proof cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010757448.3A CN111793793A (en) | 2020-07-31 | 2020-07-31 | Phosphorization rust-proof treatment method for explosion-proof cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN111793793A true CN111793793A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010757448.3A Pending CN111793793A (en) | 2020-07-31 | 2020-07-31 | Phosphorization rust-proof treatment method for explosion-proof cabinet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB390834A (en) * | 1930-09-24 | 1933-03-24 | Metal Finishing Res Corp | Material and method for cleaning and coating metal |
| CN88100060A (en) * | 1988-01-19 | 1988-08-03 | 廖运秀 | High efficient rust-removing passivator |
| CN1057681A (en) * | 1991-06-29 | 1992-01-08 | 中科院近代物理研究所新技术实验工厂 | Phosphating solution at room temperature and compound method thereof |
| CN101440469A (en) * | 2008-10-28 | 2009-05-27 | 山东达驰电气有限公司 | Phosphating paste, preparation thereof and method for processing sealing surface of transformer box body by using the same |
| CN103849863A (en) * | 2014-03-31 | 2014-06-11 | 江苏鸿飞机械有限公司 | Rapid phosphating process for threads |
| CN103898494A (en) * | 2014-03-27 | 2014-07-02 | 常州联力自动化科技有限公司 | Flameproof surface phosphating process and used phosphating solution |
-
2020
- 2020-07-31 CN CN202010757448.3A patent/CN111793793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB390834A (en) * | 1930-09-24 | 1933-03-24 | Metal Finishing Res Corp | Material and method for cleaning and coating metal |
| CN88100060A (en) * | 1988-01-19 | 1988-08-03 | 廖运秀 | High efficient rust-removing passivator |
| CN1057681A (en) * | 1991-06-29 | 1992-01-08 | 中科院近代物理研究所新技术实验工厂 | Phosphating solution at room temperature and compound method thereof |
| CN101440469A (en) * | 2008-10-28 | 2009-05-27 | 山东达驰电气有限公司 | Phosphating paste, preparation thereof and method for processing sealing surface of transformer box body by using the same |
| CN103898494A (en) * | 2014-03-27 | 2014-07-02 | 常州联力自动化科技有限公司 | Flameproof surface phosphating process and used phosphating solution |
| CN103849863A (en) * | 2014-03-31 | 2014-06-11 | 江苏鸿飞机械有限公司 | Rapid phosphating process for threads |
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